US6171247B1 - Underfluid catheter system and method having a rotatable multiplane transducer - Google Patents

Underfluid catheter system and method having a rotatable multiplane transducer Download PDF

Info

Publication number
US6171247B1
US6171247B1 US08/874,792 US87479297A US6171247B1 US 6171247 B1 US6171247 B1 US 6171247B1 US 87479297 A US87479297 A US 87479297A US 6171247 B1 US6171247 B1 US 6171247B1
Authority
US
United States
Prior art keywords
phased array
catheter
axis
ultrasound transducer
multiplane
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US08/874,792
Inventor
James Bernard Seward
Abdul Jamil Tajik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mayo Foundation for Medical Education and Research
Original Assignee
Mayo Foundation for Medical Education and Research
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mayo Foundation for Medical Education and Research filed Critical Mayo Foundation for Medical Education and Research
Priority to US08/874,792 priority Critical patent/US6171247B1/en
Assigned to MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH reassignment MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: SEWARD, JAMES BERNARD, TAJIK, ABDUL JAMIL
Priority to PCT/US1998/011094 priority patent/WO1998056296A1/en
Priority to AU77109/98A priority patent/AU7710998A/en
Application granted granted Critical
Publication of US6171247B1 publication Critical patent/US6171247B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/12Diagnosis using ultrasonic, sonic or infrasonic waves in body cavities or body tracts, e.g. by using catheters
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61BDIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B8/00Diagnosis using ultrasonic, sonic or infrasonic waves
    • A61B8/44Constructional features of the ultrasonic, sonic or infrasonic diagnostic device
    • A61B8/4483Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer
    • A61B8/4488Constructional features of the ultrasonic, sonic or infrasonic diagnostic device characterised by features of the ultrasound transducer the transducer being a phased array
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S128/00Surgery
    • Y10S128/916Ultrasound 3-D imaging

Definitions

  • the present invention relates generally to a catheter-based ultrasound imaging device having a rotatable multiplane transducer which can obtain spatially related sets of 2-dimensional images that can be reformatted into a 3-dimensional volumetric image.
  • the patent discloses a catheter-based multiplane (conical data set) echocardiography scanhead.
  • the ultrasound imaging scanhead is rotated to obtain multiple cross-sectional planes from within the cardiovascular system including the heart.
  • This patent also discloses that it is possible to use the scanhead in a manner whereby cross-sectional views of the heart can be obtained along a variety of orientations. These catheter orientations are selectable by the operator while actually viewing the internal cardiovascular and surrounding structures on the monitor to which the scanhead is connected.
  • the catheter-based multiplane echocardiographic technology permits the attainment of sequential tomographic images (i.e., a data set) from the confines of the cardiovascular system.
  • Such multiplane transducers have been used to obtain a spatially sequenced set of images suitable for 3-dimensional image reconstruction (see “Three- and Four-Dimensional Cardiovascular Ultrasound Imaging: A New Era for Echocardiography” by Belohlavek M. et al. Mayo Clinic Proceedings 1993, 68:221-240).
  • a catheter-based intraluminal/intracavital transluminal imaging device capable of generating multiple fields of view while requiring no manipulation of the catheter.
  • a catheter-based imaging device capable of providing spatially sequenced tomographic images that can be formed, i.e. coalesced, into a three-dimensional image by using a catheter-based multiplane array technology.
  • a catheter-based imaging device capable of delivering diagnostic and therapeutic tools into a field of ultrasound generated by a multiplane phased array imaging ultrasound transducer.
  • the present invention relates generally to a volumetric, 3-dimensional imaging underfluid catheter system, particularly, to a catheter-based ultrasound imaging device having a rotatable multiplane transducer for the acquisition of sequential tomographic images in a variable arc up to 360 degrees.
  • the present invention further relates to a self-contained ultrasound catheter device capable of delivering diagnostic and therapeutic tools into a field of ultrasound generated by the rotatable phased array (or sector phased array) imaging ultrasound transducer.
  • an underfluid diagnostic and/or therapeutic catheter apparatus includes a catheter having proximal and distal ends and a multiplane ultrasound transducer array which is rotatably mounted proximate the distal end of the catheter for rotation about an axis.
  • the multiplane ultrasound transducer array generates a plurality of sequential tomographic image planes which form a 3-dimensional image of an adjacent underfluid structure.
  • the axis of rotation generally lies in the tomographic image planes.
  • a working port is disposed in the catheter and extends from proximate the proximal end of the catheter to proximate the distal end of the catheter.
  • the working port receives and delivers a medical instrument or other types of a working tool to proximate the distal end of the catheter.
  • multiple working ports can be disposed in the catheter for receiving and delivering medical instruments or other working tools.
  • the medical instrument(s) or working tool(s) can be diagnostic or therapeutic devices. Exemplary medical instruments include catheters, angiographic catheters, ablation catheters, cutting tools, blades and balloons.
  • Working ports can also be used to deliver medical drugs to localized regions.
  • a working port it is preferred for a working port to have an exit opening adjacent to the field of view of the transducer array so that the operation of the medical instrument(s) or other working tool(s) and the reaction therefrom can be observed in a real-time fashion.
  • no working port is disposed in the catheter. Medical instrument(s) or other working tool(s) at the distal end of the catheter adjacent to the field of view of the transducer array are mounted in such a way that the operation of the medical instrument(s) or other working tool(s) and the reaction therefrom can be observed in a real-time fashion.
  • the multiplane ultrasound transducer array is a sector phased array.
  • the sector phased array is mechanically or electronically or through other means rotated around an axis of the ultrasound beam which transmits and records the sector images in the sequential imaging planes in a continuous or interrupted sweep up to 360°.
  • the field of view thus formed is a conical-type shaped volumetric field of view.
  • the multiplane ultrasound transducer array is mounted facing transversely of a longitudinal axis of the catheter.
  • the axis of rotation is generally perpendicular to the longitudinal axis of the catheter.
  • the multiplane ultrasound transducer array is mounted facing along the longitudinal axis of the catheter.
  • the axis of rotation extends generally along the longitudinal axis of the catheter.
  • the axis of rotating is offset from the longitudinal axis of the catheter.
  • the present invention also relates to a method of diagnosing and/or imaging an underfluid structure, comprising the steps of:
  • a catheter apparatus comprising:
  • a catheter having a proximal end and distal end, including a body having a longitudinal axis;
  • a multiplane ultrasound transducer array being rotatably mounted proximate the distal end of the catheter for rotation about an axis;
  • the multiplane ultrasound transducer array generating a plurality of sequential tomographic image planes which form a 3-dimensional image of an underfluid structure, the axis of rotating lying in the tomographic image planes;
  • a working port disposed in the catheter and extending from proximate the proximal end to proximate the distal end of the catheter for receiving a medical instrument, the medical instrument being operable within a field of view of the 3-dimensional image;
  • one advantage of the present invention is that the catheter apparatus of the present invention is capable of generating wide fields of view while requiring no rotational manipulation of the catheter.
  • the present catheter apparatus is a catheter-based imaging device capable of providing spatially sequenced tomographic images that can be formed, i.e. coalesced, into a three-dimensional image by using multiplane array technology.
  • the present catheter apparatus is also a catheter-based imaging device capable of delivering diagnostic and therapeutic tools into a field of ultrasound generated by a multiplane phased array imaging ultrasound transducer.
  • underfluid in particular underblood
  • small sector phased arrays transducers are preferred for intracardiac and transvascular imaging because they characteristically have deeper penetration and better ergonomics compared to cylindrical or linear intraluminal transducers.
  • Diagnostic and therapeutic tools can be manipulated into the ultrasound field for the purpose of ultrasonic visualization of various procedures, including underblood surgery and diagnostics.
  • a principal limitation of a fixed phased array is that tools introduced into the ultrasound field of view frequently cannot be consistently kept within the plane of the tomographic image.
  • a rotatable multiplane array in accordance with the principles of the present invention enhances the ability continuously visualize a tool within the tomographic field of view.
  • a rotatable multiplane array in the present invention greatly enhances maneuverability and visual versatility from the confines of a blood or fluid filled vessel, cavity or chamber.
  • FIG. 1 is a partial schematic view of a first embodiment of a catheter system having a side-mounted multiplane transducer generating sequential imaging planes at a side of the catheter in accordance with the principles of the present invention
  • FIG. 2 is a top plane view of FIG. 1;
  • FIG. 3 is a side elevational view of FIG. 1;
  • FIG. 4 is a partial schematic view of a second embodiment of a catheter system having an end-mounted multiplane transducer generating sequential imaging planes at an end of the catheter in accordance with the principles of the present invention
  • FIG. 5 is a top plane view of FIG. 4;
  • FIG. 6 is an end elevational view of FIG. 4;
  • FIG. 7 is a partial schematic view of a catheter system having a medical instrument disposed in the field of view generated by a side-mounted multiplane transducer;
  • FIG. 8 is a partial schematic view of a catheter system having a medical instrument disposed in the field of view generated by an end-mounted multiplane transducer;
  • FIG. 9 is a block diagram of the catheter system.
  • a catheter system 40 (a partial view) is shown in accordance with principles of the present invention.
  • the catheter system 40 has a catheter body 42 .
  • the catheter body 42 is shown as a generic embodiment. Detailed illustrations of the catheters are generally disclosed in U.S. Pat. Nos. 5,325,860 and 5,345,940, issued to Seward, et al., which are hereby incorporated by reference for other parts of the catheter body 42 not shown in FIGS. 1 and 4.
  • the catheter body 42 is an elongated flexible body which can be inserted into underfluid cavities of a body structure.
  • the catheter body 42 has a distal end 44 and a proximal end (at the other side of the catheter body 42 which is not shown here).
  • a multiplane ultrasound transducer array 46 is rotatably mounted proximate the distal end 44 of the catheter body 42 .
  • the multiplane ultrasound transducer array 46 is preferably a sector phased array and is rotatable through an arc up to 360°.
  • the multiplane ultrasound transducer array 46 transmits a plurality of sequential tomographic image planes 48 which form a 3-dimensional image of the underfluid cavities of the body structure.
  • the multiplane ultrasound transducer array 46 has an axis 50 of rotation lying in the tomographic image planes 48 .
  • the array 46 can be rotated or manipulated through an arc up to 360° by mechanical or electrical connections or other appropriate rotating means.
  • the rotatable array 46 obtains sequential tomographic images throughout the arc of rotation, and the series of planes 48 can be electronically coalesced into a volume suitable for the making of 3-dimensional images. Three-dimensional images enhance the appreciation of underlying anatomy.
  • the clinical application of the present invention is broad and can be applied to any body cavities where there is an appropriate interface, such as bladder, chest cavity, bronchus, etc. It is also appreciated that other types of transducers can be used in accordance with the principles of the present invention.
  • the multiplane ultrasound transducer array 46 is mounted facing transversely of a longitudinal axis (not shown) of the catheter body 42 . Accordingly, the axis of rotation 50 is generally perpendicular to the longitudinal axis of the catheter body 42 .
  • FIG. 4 an alternative embodiment of the catheter system 40 ′ is shown.
  • the multiplane ultrasound transducer array 46 ′ is mounted facing along the longitudinal axis of the catheter body 42 ′.
  • An axis of rotation 50 ′ extends generally along the longitudinal axis of the catheter body 42 ′. Accordingly, the axis of rotation 50 , 50 ′ lies in the tomographic image planes 48 , 48 ′, respectively.
  • the series of planes 48 , 48 ′ are coalesced into a volume suitable for making 3-dimensional images.
  • the multiplane ultrasound transducer array 46 , 46 ′ are preferably a phased array (or called sector phased array).
  • the generic configuration of the multiplane ultrasound transducer array 46 is shown in FIGS. 2 and 6. It is appreciated that other types of configurations can be used in accordance with the principles of the present invention. For example, one and one-half dimensional array, two-dimensional array, etc. can be suitably mounted in accordance with the principles of the present invention.
  • FIGS. 2 and 3 show top plane views and side elevational views of the side-mounted multiplane transducer as shown in FIG. 1 .
  • a working port 52 is disposed in the catheter body 42 and extends from proximate the proximal end to proximate the distal end 44 of the catheter body 42 .
  • the working port 52 receives and delivers a medical instrument or other types of working tools (see later in FIGS. 7, 8 ) into a field of view of the multiplane ultrasound transducer. Accordingly, the operation of the medical instrument or other working tools and the reaction therefrom can be observed in a real-time fashion.
  • multiple working ports are disposed in the catheter for receiving and delivering multiple medical instruments or working tools into the field of view.
  • no working ports are disposed in the catheter, and medical instruments or other working tools are configured to be embedded proximate the distal end 44 of the catheter body 42 adjacent to the field of view of the transducer array 46 .
  • the embedded medical instruments or other working tools are operable in the field of view through remote manipulation.
  • FIGS. 5 and 6 illustrate the top plane view and the front end elevational view of the end-mounted multiplane ultrasound transducer array 46 ′.
  • a working port 52 ′ is disposed in the catheter body 42 ′ and extends from proximate the proximal end to proximate the distal end 44 ′ of the catheter body 42 ′.
  • a medical instrument or other types of working tools can be delivered through the working port 52 ′ to the distal end 44 ′ into a field of view of the ultrasound transducer. The operation of the medical instruments or other types of working tools and the reaction therefrom can also be observed in a real-time fashion.
  • multiple working ports are used in the catheter body 42 ′, or no working ports are used in catheter body 42 ′. In the latter case, medical instruments or other working tools are operated in the field of view through remote manipulation.
  • a guidewire port 54 , 54 ′ which delivers a guidewire 56 (see FIG. 1) to proximate the distal end 44 , 44 ′ of the catheter body 42 , 42 ′.
  • the guidewire 56 is introduced into the body structure and guides the catheter into a cavity of the body structure to a desired destination. It is appreciated that the guidewire is a generic guidewire, and that other types of guiding mechanisms can be used in accordance with the principles of the present invention.
  • the axis of rotation 50 ′ is offset from the longitudinal axis of the catheter body 42 ′ (see clearly in FIG. 6 ). Off-axis imaging can be fostered in certain embodiments.
  • the catheter body 42 is guided by the guidewire 56 to proximate a desired underfluid structure.
  • the catheter system 40 then generates the sequential tomographic image planes 48 by activating the multiplane (rotatable) phased array 46 ultrasound transducer so as to form a conical-shaped field of view.
  • An operator can extend a medical instrument, e.g. 53 , 53 ′ shown in FIGS. 7 and 8, into the field of view and operate the medical instrument 53 , 53 ′ therein.
  • the operation of the medical instrument 53 , 53 ′ and the reaction therefrom are observed on a display device 58 (see FIG. 9) in a real-time fashion.
  • a rotation mechanism 60 is used to control the rotation of the array 46 , 46 ′.
  • An ultrasound control circuit 62 controls the activation and deactivation of the multiplane phased array 46 ultrasound transducer.
  • an instrument control device 64 is used to control the medical instruments and/or other working tools operated in the field of view.
  • various diagnostic/measurement devices 66 receive the signals from the ultrasound control circuit 62 to diagnose and measure conditions of underfluid environment.
  • the ultrasound control circuit 62 can collect sets of tomographic images and coalesce these images into a 3-dimensional volume.
  • the catheter body 42 or 42 ′ has a dimension of 5-15 French diameter and 40 to 120 cm length.
  • a guidewire port 54 is approximate 0.025-0.038 inch diameter.
  • the working port 52 , 52 ′ is approximate 4-10 French diameter. It is appreciated that other dimensions of these ports of the catheter body 42 , 42 ′ can be used in accordance with the principles of the present invention.
  • Many clinical applications can use the present invention for enhanced visualization of therapeutic or diagnostic tools or procedures within a visual field of ultrasound. For example, underfluid surgery and/or diagnostics can be better obtained with the use of the present invention of a unique application of a multiplane (rotatable) transducer to an underfluid catheter system.

Abstract

A self-contained ultrasound catheter device capable of delivering diagnostic and therapeutic tools in a field of ultrasound includes a rotatable multiplane sector phased array imaging ultrasound transducer used for the visualization of under fluid structures and/or diagnostic and therapeutic events. The multiplane sector phased array is rotatable around an axis of an ultrasound beam to obtain sequential imaging planes in a continuous or interrupted sweep up to 360 degrees. The transducer being a multiplane transducer allows more versatile visualization of underfluid structures and/or events. The sequential acquisition of tomographic images is suitable for 3-dimensional image reconstruction.

Description

FIELD OF THE INVENTION
The present invention relates generally to a catheter-based ultrasound imaging device having a rotatable multiplane transducer which can obtain spatially related sets of 2-dimensional images that can be reformatted into a 3-dimensional volumetric image.
BACKGROUND OF THE INVENTION
In the catheter-based ultrasound imaging arena, increasing emphasis is being placed on intraluminal/intracavitary underfluid imaging for the purpose of directing precision therapy and diagnostics. A number of imaging catheter inventions have been proposed over the last few years. The basic concepts of a self-contained ultrasound catheter device have been described in the patents issued to Dr. James B. Seward and A. Jamil Tajik, such as U.S. Pat. Nos. 5,325,860 and 5,345,940, and are incorporated hereby by references. However, at present, underfluid ultrasound technology is principally limited to linear, sector, or cylindrical ultrasound array transducers which are optimized to obtain single tomographic planes of view. Additional planes are usually obtained by manipulation of the catheter or the stacking of images into a data set. Three-dimensional volumetric images have been small and of little clinical utility.
Presently rotatable multiplane arrays are primarily used in large transesophageal echocardiographic probes (see “Multiplane Transesophageal Echocardiography: Image Orientation, Examination Technique, Anatomic Correlations and Clinical Applications” by Seward J. B., et al. Mayo Clinic Proceedings, 68:523-551, 1993) and, to a lesser extent, for surface echocardiographic examinations (see “Multidimensional Ultrasonic Imaging for Cardiology” by McCann H. A. et al. Proc IEEE, 76:1063-1071, 1988; and U.S. Pat. No. 4,543,960 issued to Harui et al.) The patent discloses a catheter-based multiplane (conical data set) echocardiography scanhead. The ultrasound imaging scanhead is rotated to obtain multiple cross-sectional planes from within the cardiovascular system including the heart. This patent also discloses that it is possible to use the scanhead in a manner whereby cross-sectional views of the heart can be obtained along a variety of orientations. These catheter orientations are selectable by the operator while actually viewing the internal cardiovascular and surrounding structures on the monitor to which the scanhead is connected. The catheter-based multiplane echocardiographic technology permits the attainment of sequential tomographic images (i.e., a data set) from the confines of the cardiovascular system. Such multiplane transducers have been used to obtain a spatially sequenced set of images suitable for 3-dimensional image reconstruction (see “Three- and Four-Dimensional Cardiovascular Ultrasound Imaging: A New Era for Echocardiography” by Belohlavek M. et al. Mayo Clinic Proceedings 1993, 68:221-240).
There is a need in the art for a catheter-based intraluminal/intracavital transluminal imaging device capable of generating multiple fields of view while requiring no manipulation of the catheter. There is also a need for a catheter-based imaging device capable of providing spatially sequenced tomographic images that can be formed, i.e. coalesced, into a three-dimensional image by using a catheter-based multiplane array technology. There is further a need for a catheter-based imaging device capable of delivering diagnostic and therapeutic tools into a field of ultrasound generated by a multiplane phased array imaging ultrasound transducer.
SUMMARY OF THE INVENTION
The present invention relates generally to a volumetric, 3-dimensional imaging underfluid catheter system, particularly, to a catheter-based ultrasound imaging device having a rotatable multiplane transducer for the acquisition of sequential tomographic images in a variable arc up to 360 degrees.
The present invention further relates to a self-contained ultrasound catheter device capable of delivering diagnostic and therapeutic tools into a field of ultrasound generated by the rotatable phased array (or sector phased array) imaging ultrasound transducer.
In one embodiment of the present invention, an underfluid diagnostic and/or therapeutic catheter apparatus includes a catheter having proximal and distal ends and a multiplane ultrasound transducer array which is rotatably mounted proximate the distal end of the catheter for rotation about an axis. The multiplane ultrasound transducer array generates a plurality of sequential tomographic image planes which form a 3-dimensional image of an adjacent underfluid structure. The axis of rotation generally lies in the tomographic image planes.
Further in one embodiment, a working port is disposed in the catheter and extends from proximate the proximal end of the catheter to proximate the distal end of the catheter. The working port receives and delivers a medical instrument or other types of a working tool to proximate the distal end of the catheter. In other embodiments, multiple working ports can be disposed in the catheter for receiving and delivering medical instruments or other working tools. The medical instrument(s) or working tool(s) can be diagnostic or therapeutic devices. Exemplary medical instruments include catheters, angiographic catheters, ablation catheters, cutting tools, blades and balloons. Working ports can also be used to deliver medical drugs to localized regions. It is preferred for a working port to have an exit opening adjacent to the field of view of the transducer array so that the operation of the medical instrument(s) or other working tool(s) and the reaction therefrom can be observed in a real-time fashion. In alternative embodiments, no working port is disposed in the catheter. Medical instrument(s) or other working tool(s) at the distal end of the catheter adjacent to the field of view of the transducer array are mounted in such a way that the operation of the medical instrument(s) or other working tool(s) and the reaction therefrom can be observed in a real-time fashion.
Still in one embodiment, the multiplane ultrasound transducer array is a sector phased array. The sector phased array is mechanically or electronically or through other means rotated around an axis of the ultrasound beam which transmits and records the sector images in the sequential imaging planes in a continuous or interrupted sweep up to 360°. The field of view thus formed is a conical-type shaped volumetric field of view.
In one embodiment, the multiplane ultrasound transducer array is mounted facing transversely of a longitudinal axis of the catheter. The axis of rotation is generally perpendicular to the longitudinal axis of the catheter.
In another embodiment, the multiplane ultrasound transducer array is mounted facing along the longitudinal axis of the catheter. The axis of rotation extends generally along the longitudinal axis of the catheter.
Yet in one embodiment, the axis of rotating is offset from the longitudinal axis of the catheter.
The present invention also relates to a method of diagnosing and/or imaging an underfluid structure, comprising the steps of:
providing a catheter apparatus comprising:
a catheter, having a proximal end and distal end, including a body having a longitudinal axis;
a multiplane ultrasound transducer array being rotatably mounted proximate the distal end of the catheter for rotation about an axis;
the multiplane ultrasound transducer array generating a plurality of sequential tomographic image planes which form a 3-dimensional image of an underfluid structure, the axis of rotating lying in the tomographic image planes; and
a working port disposed in the catheter and extending from proximate the proximal end to proximate the distal end of the catheter for receiving a medical instrument, the medical instrument being operable within a field of view of the 3-dimensional image;
positioning the catheter proximate the underfluid structure;
generating the sequential tomographic images which form the 3-dimensional image of the underfluid structure; and
extending the medical instrument out of the working port and operating on the underfluid structure within a field of view of the 3-dimensional image.
Accordingly, one advantage of the present invention is that the catheter apparatus of the present invention is capable of generating wide fields of view while requiring no rotational manipulation of the catheter.
Another advantage is that the present catheter apparatus is a catheter-based imaging device capable of providing spatially sequenced tomographic images that can be formed, i.e. coalesced, into a three-dimensional image by using multiplane array technology.
Further another advantage is that the present catheter apparatus is also a catheter-based imaging device capable of delivering diagnostic and therapeutic tools into a field of ultrasound generated by a multiplane phased array imaging ultrasound transducer.
It is also noted that the underfluid (in particular underblood) utilization of ultrasound for diagnosis and direction of therapy is a recent development. Small sector phased arrays transducers are preferred for intracardiac and transvascular imaging because they characteristically have deeper penetration and better ergonomics compared to cylindrical or linear intraluminal transducers. Diagnostic and therapeutic tools can be manipulated into the ultrasound field for the purpose of ultrasonic visualization of various procedures, including underblood surgery and diagnostics. A principal limitation of a fixed phased array is that tools introduced into the ultrasound field of view frequently cannot be consistently kept within the plane of the tomographic image. A rotatable multiplane array in accordance with the principles of the present invention enhances the ability continuously visualize a tool within the tomographic field of view. Normally significant manipulation of the ultrasound catheter is necessary to view a procedure or tool and this is not always feasible, practical or safe. A rotatable multiplane array in the present invention greatly enhances maneuverability and visual versatility from the confines of a blood or fluid filled vessel, cavity or chamber.
These and various other advantages and features of novelty which characterize the invention are pointed out with particularity in the claims annexed hereto and forming a part hereof. However, for a better understanding of the invention, its advantages and objects obtained by its use, reference should be made to the drawings which form a further part hereof, and to the accompanying descriptive matter, in which there is illustrated and described a preferred embodiment of the invention.
BRIEF DESCRIPTION OF THE DRAWINGS
The accompanying drawings, which are incorporated in and constitute part of this specification, illustrate several embodiments of the present invention and together with the description, serve to explain the principles of the invention. A brief description of the drawings is as follows:
FIG. 1 is a partial schematic view of a first embodiment of a catheter system having a side-mounted multiplane transducer generating sequential imaging planes at a side of the catheter in accordance with the principles of the present invention;
FIG. 2 is a top plane view of FIG. 1;
FIG. 3 is a side elevational view of FIG. 1;
FIG. 4 is a partial schematic view of a second embodiment of a catheter system having an end-mounted multiplane transducer generating sequential imaging planes at an end of the catheter in accordance with the principles of the present invention;
FIG. 5 is a top plane view of FIG. 4;
FIG. 6 is an end elevational view of FIG. 4;
FIG. 7 is a partial schematic view of a catheter system having a medical instrument disposed in the field of view generated by a side-mounted multiplane transducer;
FIG. 8 is a partial schematic view of a catheter system having a medical instrument disposed in the field of view generated by an end-mounted multiplane transducer; and
FIG. 9 is a block diagram of the catheter system.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
Referring to FIGS. 1 and 4, a catheter system 40 (a partial view) is shown in accordance with principles of the present invention. The catheter system 40 has a catheter body 42. The catheter body 42 is shown as a generic embodiment. Detailed illustrations of the catheters are generally disclosed in U.S. Pat. Nos. 5,325,860 and 5,345,940, issued to Seward, et al., which are hereby incorporated by reference for other parts of the catheter body 42 not shown in FIGS. 1 and 4.
The catheter body 42 is an elongated flexible body which can be inserted into underfluid cavities of a body structure. The catheter body 42 has a distal end 44 and a proximal end (at the other side of the catheter body 42 which is not shown here).
A multiplane ultrasound transducer array 46 is rotatably mounted proximate the distal end 44 of the catheter body 42. The multiplane ultrasound transducer array 46 is preferably a sector phased array and is rotatable through an arc up to 360°. The multiplane ultrasound transducer array 46 transmits a plurality of sequential tomographic image planes 48 which form a 3-dimensional image of the underfluid cavities of the body structure. The multiplane ultrasound transducer array 46 has an axis 50 of rotation lying in the tomographic image planes 48. The array 46 can be rotated or manipulated through an arc up to 360° by mechanical or electrical connections or other appropriate rotating means. The rotatable array 46 obtains sequential tomographic images throughout the arc of rotation, and the series of planes 48 can be electronically coalesced into a volume suitable for the making of 3-dimensional images. Three-dimensional images enhance the appreciation of underlying anatomy. The clinical application of the present invention is broad and can be applied to any body cavities where there is an appropriate interface, such as bladder, chest cavity, bronchus, etc. It is also appreciated that other types of transducers can be used in accordance with the principles of the present invention.
In FIG. 1, the multiplane ultrasound transducer array 46 is mounted facing transversely of a longitudinal axis (not shown) of the catheter body 42. Accordingly, the axis of rotation 50 is generally perpendicular to the longitudinal axis of the catheter body 42. In FIG. 4, an alternative embodiment of the catheter system 40′ is shown. The multiplane ultrasound transducer array 46′ is mounted facing along the longitudinal axis of the catheter body 42′. An axis of rotation 50′ extends generally along the longitudinal axis of the catheter body 42′. Accordingly, the axis of rotation 50, 50′ lies in the tomographic image planes 48, 48′, respectively. The series of planes 48, 48′ are coalesced into a volume suitable for making 3-dimensional images.
The multiplane ultrasound transducer array 46, 46′ are preferably a phased array (or called sector phased array). The generic configuration of the multiplane ultrasound transducer array 46 is shown in FIGS. 2 and 6. It is appreciated that other types of configurations can be used in accordance with the principles of the present invention. For example, one and one-half dimensional array, two-dimensional array, etc. can be suitably mounted in accordance with the principles of the present invention.
FIGS. 2 and 3 show top plane views and side elevational views of the side-mounted multiplane transducer as shown in FIG. 1. Further, a working port 52 is disposed in the catheter body 42 and extends from proximate the proximal end to proximate the distal end 44 of the catheter body 42. The working port 52 receives and delivers a medical instrument or other types of working tools (see later in FIGS. 7, 8) into a field of view of the multiplane ultrasound transducer. Accordingly, the operation of the medical instrument or other working tools and the reaction therefrom can be observed in a real-time fashion.
It is appreciated that in alternative embodiments, multiple working ports are disposed in the catheter for receiving and delivering multiple medical instruments or working tools into the field of view. In some other alternative embodiments, no working ports are disposed in the catheter, and medical instruments or other working tools are configured to be embedded proximate the distal end 44 of the catheter body 42 adjacent to the field of view of the transducer array 46. The embedded medical instruments or other working tools are operable in the field of view through remote manipulation.
Similarly, FIGS. 5 and 6 illustrate the top plane view and the front end elevational view of the end-mounted multiplane ultrasound transducer array 46′. A working port 52′ is disposed in the catheter body 42′ and extends from proximate the proximal end to proximate the distal end 44′ of the catheter body 42′. A medical instrument or other types of working tools can be delivered through the working port 52′ to the distal end 44′ into a field of view of the ultrasound transducer. The operation of the medical instruments or other types of working tools and the reaction therefrom can also be observed in a real-time fashion. As mentioned above, in alternative embodiments, multiple working ports are used in the catheter body 42′, or no working ports are used in catheter body 42′. In the latter case, medical instruments or other working tools are operated in the field of view through remote manipulation.
Also shown in FIGS. 1-3 and 5-6 is a guidewire port 54, 54′ which delivers a guidewire 56 (see FIG. 1) to proximate the distal end 44, 44′ of the catheter body 42, 42′. As known in the art, the guidewire 56 is introduced into the body structure and guides the catheter into a cavity of the body structure to a desired destination. It is appreciated that the guidewire is a generic guidewire, and that other types of guiding mechanisms can be used in accordance with the principles of the present invention.
As shown in FIGS. 4-6, the axis of rotation 50′ is offset from the longitudinal axis of the catheter body 42′ (see clearly in FIG. 6). Off-axis imaging can be fostered in certain embodiments.
In operation of the side-mounted multiplane transducer catheter system 40 as shown in FIGS. 1-3, the catheter body 42 is guided by the guidewire 56 to proximate a desired underfluid structure. The catheter system 40 then generates the sequential tomographic image planes 48 by activating the multiplane (rotatable) phased array 46 ultrasound transducer so as to form a conical-shaped field of view. An operator can extend a medical instrument, e.g. 53,53′ shown in FIGS. 7 and 8, into the field of view and operate the medical instrument 53,53′ therein. The operation of the medical instrument 53,53′ and the reaction therefrom are observed on a display device 58 (see FIG. 9) in a real-time fashion.
As also shown in FIG. 9, a rotation mechanism 60 is used to control the rotation of the array 46, 46′. An ultrasound control circuit 62 controls the activation and deactivation of the multiplane phased array 46 ultrasound transducer. Further, an instrument control device 64 is used to control the medical instruments and/or other working tools operated in the field of view. In addition, various diagnostic/measurement devices 66 receive the signals from the ultrasound control circuit 62 to diagnose and measure conditions of underfluid environment. The ultrasound control circuit 62 can collect sets of tomographic images and coalesce these images into a 3-dimensional volume.
In a preferred embodiment, the catheter body 42 or 42′ has a dimension of 5-15 French diameter and 40 to 120 cm length. A guidewire port 54 is approximate 0.025-0.038 inch diameter. The working port 52, 52′ is approximate 4-10 French diameter. It is appreciated that other dimensions of these ports of the catheter body 42, 42′ can be used in accordance with the principles of the present invention. Many clinical applications can use the present invention for enhanced visualization of therapeutic or diagnostic tools or procedures within a visual field of ultrasound. For example, underfluid surgery and/or diagnostics can be better obtained with the use of the present invention of a unique application of a multiplane (rotatable) transducer to an underfluid catheter system.
It is to be understood, however, that even though numerous characteristics and advantages of the present invention have been set forth in the foregoing description, together with details of the structure and function of the invention, the disclosure is illustrative only, and changes may be made in detail, especially in matters of shape, size and arrangement of parts within the principles of the invention to the full extent indicated by the broad general meaning of the terms in which the appended claims are expressed.

Claims (25)

What is claimed is:
1. An underfluid diagnostic and/or therapeutic catheter apparatus, comprising:
a catheter body having a proximal end and a distal end defining a longitudinal axis, said catheter body having a dimension insertable into a blood-type vessel; and
a multiplane phased array ultrasound transducer rotatably mounted proximate the distal end of said catheter body for rotation about an axis;
whereby said multiplane phased array ultrasound transducer generates a plurality of sequential tomographic image planes to form a three-dimensional image of an underfluid structure with the axis of rotation lying in the tomographic image planes.
2. A method of diagnosing and/or imaging an underfluid structure, comprising the steps of:
providing a catheter apparatus comprising:
a catheter body having a proximal end and a distal end defining a longitudinal axis, the catheter body having a dimension insertable into a blood-type vessel; and
a multiplane phased array ultrasound transducer, the multiplane phased array ultrasound transducer rotatably mounted proximate the distal end of the catheter body for rotation about an axis and capable of generating a plurality of sequential tomographic image planes to form a three-dimensional image;
positioning the catheter proximate the underfluid structure; and
generating a plurality of sequential tomographic images to form a three-dimensional image of the underfluid structure with the axis of rotation lying in the tomographic image planes.
3. The method of claim 2, wherein the multiplane phased array ultrasound transducer is mounted facing transversely of the longitudinal axis of the body, the axis of rotation being generally perpendicular to the longitudinal axis of the body.
4. The method of claim 2, wherein the multiplane phased array ultrasound transducer is mounted facing along the longitudinal axis of the body, the axis of rotation being generally along the longitudinal axis of the body.
5. The method of claim 2, further comprising extending a medical instrument from proximate the proximal end to proximate the distal end of the catheter body and operating on the underfluid structure within a field of view of the three-dimensional image.
6. An underfluid diagnostic and/or therapeutic intravascular catheter apparatus, comprising:
a catheter body having a proximal end and a distal end defining a longitudinal axis, said catheter body having a dimension insertable into and a material suitable for a blood-type vessel;
a multiplane phased array ultrasound transducer for producing a plurality of ultrasound beams, said multiplane phased array ultrasound transducer rotatably mounted proximate the distal end of said catheter body for rotation about an axis;
whereby said multiplane phased array ultrasound transducer generates a plurality of sequential tomographic image planes to form a three-dimensional image of an underfluid structure with the axis of rotation lying in the tomographic image planes; and
a medical instrument disposed proximate the distal end of said catheter body and operable within a field of view of the three-dimensional image.
7. The intravascular catheter apparatus in accordance with claim 6, wherein the multiplane phased array ultrasound transducer is a sector phased array.
8. The intravascular catheter apparatus in accordance with claim 7, wherein the multiplane phased array ultrasound transducer is rotatable through an arc up to 360 degrees.
9. The intravascular catheter apparatus in accordance with claim 8, wherein the multiplane phased array ultrasound transducer is mounted facing transversely of the longitudinal axis of the body, the axis of rotation being generally perpendicular to the longitudinal axis of the body.
10. The intravascular catheter apparatus in accordance with claim 8, wherein the multiplane phased array ultrasound transducer is mounted facing along the longitudinal axis of the body, the axis of rotation extending generally along the longitudinal axis of the body.
11. The intravascular catheter apparatus in accordance with claim 10, wherein the axis of rotation is offset from the longitudinal axis of the body.
12. The intravascular catheter apparatus in accordance with claim 6, wherein the catheter body has the dimension of 5-15 French diameter (1 French=⅓ millimeter).
13. The intravascular catheter apparatus in accordance with claim 12, wherein the catheter body has a length of 40-120 cm.
14. A method of diagnosing and/or imaging an underfluid structure, comprising the steps of:
providing a catheter apparatus comprising:
a flexible catheter body having a proximal end and a distal end defining a longitudinal axis, said catheter body having a dimension and material insertable into and suitable for a blood-type vessel;
a multiplane phased array ultrasound transducer producing a plurality of ultrasound beams, the multiplane phased array ultrasound transducer rotatably mounted proximate the distal end of the catheter body for rotation about an axis and capable of generating a plurality of sequential tomographic image planes to form a three-dimensional image; and
a medical instrument disposed proximate the distal end of the catheter body and operable within a field of view of the three-dimensional image;
positioning the catheter proximate the underfluid structure;
generating a plurality of sequential tomographic images to form a three-dimensional image of the underfluid structure with the axis of rotation lying in the tomographic image planes; and
extending the medical instrument out of a working port of the catheter body and operating on the underfluid structure within a field of view of the three-dimensional image.
15. The method of claim 14, wherein the multiplane phased array ultrasound transducer is mounted facing transversely of the longitudinal axis of the body, the axis of rotation being generally perpendicular to the longitudinal axis of the body.
16. The method of claim 14, wherein the multiplane phased array ultrasound transducer is mounted facing along the longitudinal axis of the body, the axis of rotation being generally along the longitudinal axis of the body.
17. An underfluid diagnostic and/or therapeutic intravascular catheter apparatus, comprising:
a flexible catheter body having a proximal end and a distal end defining a longitudinal axis, said catheter body having a dimension and material insertable into and suitable for a blood-type vessel;
a multiplane phased array ultrasound transducer for producing a plurality of ultrasound beams, said multiplane phased array ultrasound transducer rotatably mounted proximate the distal end of said catheter body for rotation about an axis;
whereby said multiplane phased array ultrasound transducer generates a plurality of sequential tomographic image planes to form a three-dimensional image of an underfluid structure with the axis of rotation lying in the tomographic image planes.
18. The intravascular catheter apparatus in accordance with claim 17, wherein the multiplane phased array ultrasound transducer is a sector phased array.
19. The intravascular catheter apparatus in accordance with claim 18, wherein the multiplane phased array ultrasound transducer is rotatable through an arc up to 360 degrees.
20. The intravascular catheter apparatus in accordance with claim 19, wherein the multiplane phased array ultrasound transducer is mounted facing transversely of the longitudinal axis of the body, the axis of rotation being generally perpendicular to the longitudinal axis of the body.
21. The intravascular catheter apparatus in accordance with claim 19, wherein the multiplane phased array ultrasound transducer is mounted facing along the longitudinal axis of the body, the axis of rotation extending generally along the longitudinal axis of the body.
22. The intravascular catheter apparatus in accordance with claim 21, wherein the axis of rotating is offset from the longitudinal axis of the body.
23. The intravascular catheter apparatus in accordance with claim 17, further comprising a medical instrument operable within a field of view of the three-dimensional image and a working port disposed in the catheter body extending from proximate the proximal end to proximate the distal end for receiving the medical instrument.
24. The intravascular catheter apparatus in accordance with claim 17, wherein the catheter body has the dimension of 5-15 French diameter (1 French=⅓ millimeter).
25. The intravascular catheter apparatus in accordance with claim 24, wherein the catheter body has a length of 40-120 cm.
US08/874,792 1997-06-13 1997-06-13 Underfluid catheter system and method having a rotatable multiplane transducer Expired - Lifetime US6171247B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US08/874,792 US6171247B1 (en) 1997-06-13 1997-06-13 Underfluid catheter system and method having a rotatable multiplane transducer
PCT/US1998/011094 WO1998056296A1 (en) 1997-06-13 1998-06-01 Underfluid catheter system and method having a rotatable multiplane transducer
AU77109/98A AU7710998A (en) 1997-06-13 1998-06-01 Underfluid catheter system and method having a rotatable multiplane transducer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/874,792 US6171247B1 (en) 1997-06-13 1997-06-13 Underfluid catheter system and method having a rotatable multiplane transducer

Publications (1)

Publication Number Publication Date
US6171247B1 true US6171247B1 (en) 2001-01-09

Family

ID=25364593

Family Applications (1)

Application Number Title Priority Date Filing Date
US08/874,792 Expired - Lifetime US6171247B1 (en) 1997-06-13 1997-06-13 Underfluid catheter system and method having a rotatable multiplane transducer

Country Status (3)

Country Link
US (1) US6171247B1 (en)
AU (1) AU7710998A (en)
WO (1) WO1998056296A1 (en)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020107447A1 (en) * 1999-07-20 2002-08-08 Scimed Life Systems, Inc. Imaging catheter and methods of use for ultrasound-guided ablation
US6485425B2 (en) 2000-03-02 2002-11-26 Mayo Foundation For Medical Education And Research Apparatus and method of holding and manipulating small ultrasound transducers
US6530888B2 (en) * 1998-05-08 2003-03-11 Duke University Imaging probes and catheters for volumetric intraluminal ultrasound imaging
US6623444B2 (en) 2001-03-21 2003-09-23 Advanced Medical Applications, Inc. Ultrasonic catheter drug delivery method and device
US20030216646A1 (en) * 2002-03-15 2003-11-20 Angelsen Bjorn A.J. Multiple scan-plane ultrasound imaging of objects
US20030226633A1 (en) * 2002-06-11 2003-12-11 Fujitsu Limited Method and apparatus for fabricating bonded substrate
US20040034306A1 (en) * 2000-03-02 2004-02-19 Seward James B. Small ultrasound transducers
US20040133109A1 (en) * 2003-01-07 2004-07-08 Scimed Life Systems, Inc. Systems and methods for acoustic thermal imaging
US20050143657A1 (en) * 2003-11-26 2005-06-30 Roth Scott L. Transesophageal ultrasound using a narrow probe
US20050215895A1 (en) * 2003-11-12 2005-09-29 Popp Richard L Devices and methods for obtaining three-dimensional images of an internal body site
US20050283078A1 (en) * 2004-06-22 2005-12-22 Steen Eric N Method and apparatus for real time ultrasound multi-plane imaging
US20070016058A1 (en) * 2005-07-15 2007-01-18 Scott Kerwin System and method for controlling ultrasound probe having multiple transducer arrays
US20070118035A1 (en) * 2005-11-22 2007-05-24 General Electric Company Catheter tip
US20070167825A1 (en) * 2005-11-30 2007-07-19 Warren Lee Apparatus for catheter tips, including mechanically scanning ultrasound probe catheter tip
US20070167824A1 (en) * 2005-11-30 2007-07-19 Warren Lee Method of manufacture of catheter tips, including mechanically scanning ultrasound probe catheter tip, and apparatus made by the method
US20080051660A1 (en) * 2004-01-16 2008-02-28 The University Of Houston System Methods and apparatuses for medical imaging
US20080177183A1 (en) * 2007-01-19 2008-07-24 Brian Courtney Imaging probe with combined ultrasounds and optical means of imaging
US20080287797A1 (en) * 2007-05-15 2008-11-20 General Electric Company Fluid-fillable ultrasound imaging catheter tips
US20090105597A1 (en) * 2006-10-12 2009-04-23 Innoscion, Llc Image guided catheter having remotely controlled surfaces-mounted and internal ultrasound transducers
US20090264768A1 (en) * 2007-01-19 2009-10-22 Brian Courtney Scanning mechanisms for imaging probe
US20110077525A1 (en) * 2009-05-07 2011-03-31 Aloka Co., Ltd. Ultrasound Systems and Methods For Orthopedic Applications
US20110208062A1 (en) * 2009-05-07 2011-08-25 Aloka Company, Ltd. Ultrasound Systems and Methods For Orthopedic Applications
US9354204B2 (en) 2011-10-14 2016-05-31 General Electric Company Ultrasonic tomography systems for nondestructive testing
US9404659B2 (en) 2012-12-17 2016-08-02 General Electric Company Systems and methods for late lean injection premixing
US10117564B2 (en) 2010-04-16 2018-11-06 Hitachi Healthcare Americas Corporation Ultrasound and detachable instrument for procedures
US11660073B2 (en) * 2015-10-30 2023-05-30 Georgia Tech Research Corporation Foldable 2-D CMUT-on-CMOS arrays

Citations (115)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789833A (en) 1971-03-31 1974-02-05 Medische Faculteit Rotterdam Heart examination by means of ultrasound waves
US3938502A (en) 1972-02-22 1976-02-17 Nicolaas Bom Apparatus with a catheter for examining hollow organs or bodies with the ultrasonic waves
US4028934A (en) 1975-11-04 1977-06-14 Yeda Research & Development Co. Ltd. Ultrasonic stereoscopic imaging device
US4110723A (en) 1974-03-27 1978-08-29 Walter Hetz Ultrasonic apparatus for medical diagnosis
US4354502A (en) * 1979-08-28 1982-10-19 The Board Of Regents Of The University Of Washington Intravascular catheter including untrasonic transducer for use in detection and aspiration of air emboli
US4374525A (en) 1980-04-28 1983-02-22 Olympus Optical Co., Ltd. Ultrasonic diagnostic apparatus for endoscope
US4391282A (en) 1979-10-24 1983-07-05 Olympus Optical Company Limited Coeliac cavity ultrasonic diagnosis apparatus
US4462408A (en) 1982-05-17 1984-07-31 Advanced Technology Laboratories, Inc. Ultrasonic endoscope having elongated array mounted in manner allowing it to remain flexible
US4466444A (en) 1981-05-20 1984-08-21 Olympus Optical Co., Ltd. Ultrasonic diagnostic apparatus
US4543960A (en) 1983-04-11 1985-10-01 Advanced Technology Laboratories, Inc. Transesophageal echo cardiography scanhead
US4550607A (en) 1984-05-07 1985-11-05 Acuson Phased array acoustic imaging system
US4582067A (en) 1983-02-14 1986-04-15 Washington Research Foundation Method for endoscopic blood flow detection by the use of ultrasonic energy
US4699009A (en) 1985-11-05 1987-10-13 Acuson Dynamically focused linear phased array acoustic imaging system
US4748985A (en) 1985-05-10 1988-06-07 Olympus Optical Co., Ltd. Ultrasonic imaging apparatus having circulating cooling liquid for cooling ultrasonic transducers thereof
US4757821A (en) * 1986-11-12 1988-07-19 Corazonix Corporation Omnidirectional ultrasonic probe
US4771788A (en) 1986-07-18 1988-09-20 Pfizer Hospital Products Group, Inc. Doppler tip wire guide
US4794931A (en) 1986-02-28 1989-01-03 Cardiovascular Imaging Systems, Inc. Catheter apparatus, system and method for intravascular two-dimensional ultrasonography
US4802487A (en) 1987-03-26 1989-02-07 Washington Research Foundation Endoscopically deliverable ultrasound imaging system
US4841979A (en) 1988-01-25 1989-06-27 Capistrano Labs, Inc. Ultrasonic prostate probe assembly
US4841977A (en) 1987-05-26 1989-06-27 Inter Therapy, Inc. Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly
US4869256A (en) 1987-04-22 1989-09-26 Olympus Optical Co., Ltd. Endoscope apparatus
US4869258A (en) 1986-12-05 1989-09-26 Siemens Aktiengesellschaft Intracavitary ultrasound scanner means
US4887605A (en) 1988-02-18 1989-12-19 Angelsen Bjorn A J Laser catheter delivery system for controlled atheroma ablation combining laser angioplasty and intra-arterial ultrasonic imagining
US4911170A (en) 1988-08-22 1990-03-27 General Electric Company High frequency focused ultrasonic transducer for invasive tissue characterization
US4917097A (en) 1987-10-27 1990-04-17 Endosonics Corporation Apparatus and method for imaging small cavities
US4930515A (en) 1988-10-04 1990-06-05 Diasonics, Inc. Ultrasound probe with multi-orientation tip-mounted transducer
US4936281A (en) 1989-04-13 1990-06-26 Everest Medical Corporation Ultrasonically enhanced RF ablation catheter
US4947852A (en) 1988-10-05 1990-08-14 Cardiometrics, Inc. Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith
US4951677A (en) 1988-03-21 1990-08-28 Prutech Research And Development Partnership Ii Acoustic imaging catheter and the like
US4957111A (en) 1985-09-13 1990-09-18 Pfizer Hospital Products Group, Inc. Method of using a doppler catheter
US5000185A (en) 1986-02-28 1991-03-19 Cardiovascular Imaging Systems, Inc. Method for intravascular two-dimensional ultrasonography and recanalization
US5002059A (en) 1989-07-26 1991-03-26 Boston Scientific Corporation Tip filled ultrasound catheter
US5010886A (en) 1989-08-18 1991-04-30 Intertherapy, Inc. Medical probe assembly having combined ultrasonic imaging and laser ablation capabilities
US5014710A (en) 1988-09-13 1991-05-14 Acuson Corporation Steered linear color doppler imaging
US5022399A (en) 1989-05-10 1991-06-11 Biegeleisen Ken P Venoscope
US5029588A (en) 1989-06-15 1991-07-09 Cardiovascular Imaging Systems, Inc. Laser catheter with imaging capability
US5038789A (en) 1989-09-28 1991-08-13 Frazin Leon J Method and device for doppler-guided retrograde catheterization
US5070879A (en) 1989-11-30 1991-12-10 Acoustic Imaging Technologies Corp. Ultrasound imaging method and apparatus
US5076279A (en) 1990-07-17 1991-12-31 Acuson Corporation Needle guide for assembly upon an ultrasound imaging transducer
US5076278A (en) 1990-10-15 1991-12-31 Catheter Technology Co. Annular ultrasonic transducers employing curved surfaces useful in catheter localization
US5081993A (en) * 1987-11-11 1992-01-21 Circulation Research Limited Methods and apparatus for the examination and treatment of internal organs
US5105819A (en) 1988-09-01 1992-04-21 Kon-Tron Elektronik AG Ultrasound endoscope device
US5107844A (en) 1989-04-06 1992-04-28 Olympus Optical Co., Ltd. Ultrasonic observing apparatus
US5115814A (en) * 1989-08-18 1992-05-26 Intertherapy, Inc. Intravascular ultrasonic imaging probe and methods of using same
US5125410A (en) 1989-10-13 1992-06-30 Olympus Optical Co., Ltd. Integrated ultrasonic diagnosis device utilizing intra-blood-vessel probe
US5135001A (en) 1990-12-05 1992-08-04 C. R. Bard, Inc. Ultrasound sheath for medical diagnostic instruments
US5140558A (en) 1988-08-29 1992-08-18 Acoustic Imaging Technologies Corporation Focused ultrasound imaging system and method
US5148810A (en) 1990-02-12 1992-09-22 Acuson Corporation Variable origin-variable angle acoustic scanning method and apparatus
US5152294A (en) 1989-12-14 1992-10-06 Aloka Co., Ltd. Three-dimensional ultrasonic scanner
US5159931A (en) 1988-11-25 1992-11-03 Riccardo Pini Apparatus for obtaining a three-dimensional reconstruction of anatomic structures through the acquisition of echographic images
US5161537A (en) 1990-03-26 1992-11-10 Matsushita Electric Industrial Co., Ltd. Ultrasonic diagnostic system
US5165413A (en) 1988-09-13 1992-11-24 Acuson Corporation Steered linear color doppler imaging
US5174296A (en) 1990-03-29 1992-12-29 Fujitsu Limited Ultrasonic probe having a piezoelectrical element
US5181514A (en) 1991-05-21 1993-01-26 Hewlett-Packard Company Transducer positioning system
US5183048A (en) 1991-06-24 1993-02-02 Endosonics Corporation Method and apparatus for removing artifacts from an ultrasonically generated image of a small cavity
US5186175A (en) 1990-07-11 1993-02-16 Kabushiki Kaisha Toshiba Ultrasonic diagnostic apparatus
US5186177A (en) 1991-12-05 1993-02-16 General Electric Company Method and apparatus for applying synthetic aperture focusing techniques to a catheter based system for high frequency ultrasound imaging of small vessels
US5193546A (en) 1991-05-15 1993-03-16 Alexander Shaknovich Coronary intravascular ultrasound imaging method and apparatus
US5199433A (en) * 1989-02-06 1993-04-06 Arzco Medical Systems, Inc. Esophageal recording/pacing catheter with thermistor and cardiac imaging transceiver
US5199437A (en) 1991-09-09 1993-04-06 Sensor Electronics, Inc. Ultrasonic imager
US5211168A (en) 1991-12-20 1993-05-18 Hewlett-Packard Company Moving electrode transducer for real time ultrasound imaging for use in medical applications
US5215092A (en) 1992-02-25 1993-06-01 Interspec, Inc. Ultrasonic probe assembly
US5222501A (en) 1992-01-31 1993-06-29 Duke University Methods for the diagnosis and ablation treatment of ventricular tachycardia
US5226422A (en) 1991-05-08 1993-07-13 Advanced Technology Laboratories, Inc. Transesophageal echocardiography scanner with rotating image plane
US5235986A (en) 1990-02-12 1993-08-17 Acuson Corporation Variable origin-variable angle acoustic scanning method and apparatus for a curved linear array
US5243988A (en) 1991-03-13 1993-09-14 Scimed Life Systems, Inc. Intravascular imaging apparatus and methods for use and manufacture
US5257629A (en) 1989-05-26 1993-11-02 Intravascular Research Limited Methods and apparatus for the examination and treatment of internal organs
US5261408A (en) 1990-02-12 1993-11-16 Acuson Corporation Variable origin-variable acoustic scanning method and apparatus
US5285788A (en) 1992-10-16 1994-02-15 Acuson Corporation Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing
US5291893A (en) 1992-10-09 1994-03-08 Acoustic Imaging Technologies Corporation Endo-luminal ultrasonic instrument and method for its use
US5295486A (en) 1989-05-03 1994-03-22 Wollschlaeger Helmut Transesophageal echocardiography device
US5297553A (en) 1992-09-23 1994-03-29 Acuson Corporation Ultrasound transducer with improved rigid backing
US5299578A (en) 1990-08-02 1994-04-05 B.V. Optische Industrie "De Oude Delft" Endoscopic probe
US5305755A (en) 1991-03-12 1994-04-26 Fujitsu Limited Ultrasonic probe, having transducer array capable of turning around its aperture axis and having a convex lens comprising a viscous resin
US5305756A (en) 1993-04-05 1994-04-26 Advanced Technology Laboratories, Inc. Volumetric ultrasonic imaging with diverging elevational ultrasound beams
US5311871A (en) 1993-01-12 1994-05-17 Yock Paul G Syringe with ultrasound emitting transducer for flow-directed cannulation of arteries and veins
US5320104A (en) 1991-04-17 1994-06-14 Hewlett-Packard Company Transesophageal ultrasound probe
US5325860A (en) 1991-11-08 1994-07-05 Mayo Foundation For Medical Education And Research Ultrasonic and interventional catheter and method
US5329496A (en) 1992-10-16 1994-07-12 Duke University Two-dimensional array ultrasonic transducers
US5329927A (en) 1993-02-25 1994-07-19 Echo Cath, Inc. Apparatus and method for locating an interventional medical device with a ultrasound color imaging system
US5360007A (en) 1991-03-24 1994-11-01 Hitachi, Ltd. Ultrasonic apparatus
US5373849A (en) 1993-01-19 1994-12-20 Cardiovascular Imaging Systems, Inc. Forward viewing imaging catheter
US5373845A (en) 1992-05-22 1994-12-20 Echo Cath, Ltd. Apparatus and method for forward looking volume imaging
US5377685A (en) 1993-12-17 1995-01-03 Baylis Medical Company, Inc. Ultrasound catheter with mechanically steerable beam
US5385148A (en) 1993-07-30 1995-01-31 The Regents Of The University Of California Cardiac imaging and ablation catheter
US5398689A (en) * 1993-06-16 1995-03-21 Hewlett-Packard Company Ultrasonic probe assembly and cable therefor
US5402793A (en) 1993-11-19 1995-04-04 Advanced Technology Laboratories, Inc. Ultrasonic transesophageal probe for the imaging and diagnosis of multiple scan planes
US5415175A (en) 1993-09-07 1995-05-16 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5421336A (en) 1994-04-04 1995-06-06 Echo Cath, Inc. Method for attaching an interventional medical device to a vibratory member associated with visualization by an ultrasound imaging system
US5425370A (en) 1994-03-23 1995-06-20 Echocath, Inc. Method and apparatus for locating vibrating devices
US5437283A (en) 1992-12-11 1995-08-01 Tetrad Corporation Endosurgical ultrasonic probe with integrated biopsy actuator
US5438998A (en) 1993-09-07 1995-08-08 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5438997A (en) 1991-03-13 1995-08-08 Sieben; Wayne Intravascular imaging apparatus and methods for use and manufacture
US5460181A (en) 1994-10-06 1995-10-24 Hewlett Packard Co. Ultrasonic transducer for three dimensional imaging
US5464016A (en) 1993-05-24 1995-11-07 Boston Scientific Corporation Medical acoustic imaging catheter and guidewire
US5465724A (en) 1993-05-28 1995-11-14 Acuson Corporation Compact rotationally steerable ultrasound transducer
US5467779A (en) 1994-07-18 1995-11-21 General Electric Company Multiplanar probe for ultrasonic imaging
US5469852A (en) 1993-03-12 1995-11-28 Kabushiki Kaisha Toshiba Ultrasound diagnosis apparatus and probe therefor
US5474075A (en) 1993-11-24 1995-12-12 Thomas Jefferson University Brush-tipped catheter for ultrasound imaging
US5479929A (en) * 1994-06-27 1996-01-02 Acuson Corporation Drive system with a multiturn rotary stop
US5485846A (en) * 1992-06-30 1996-01-23 Cardiovascular Imaging Systems, Inc. Automated longitudinal position translator for ultrasonic imaging probes, and methods of using same
US5487388A (en) 1994-11-01 1996-01-30 Interspec. Inc. Three dimensional ultrasonic scanning devices and techniques
US5499630A (en) 1993-11-22 1996-03-19 Kabushiki Kaisha Toshiba Catheter type ultrasound probe
US5503152A (en) 1994-09-28 1996-04-02 Tetrad Corporation Ultrasonic transducer assembly and method for three-dimensional imaging
US5549111A (en) 1994-08-05 1996-08-27 Acuson Corporation Method and apparatus for adjustable frequency scanning in ultrasound imaging
US5569276A (en) * 1990-05-21 1996-10-29 Cardiovascular Imaging Systems, Inc. Intravascular catheter having combined imaging abrasion head
US5630416A (en) 1994-09-19 1997-05-20 Fujitsu, Ltd. Ultrasonic diagnostic probe
US5634464A (en) * 1992-10-05 1997-06-03 Cardiovascular Imaging Systems Inc. Method and apparatus for ultrasound imaging and atherectomy
US5697377A (en) 1995-11-22 1997-12-16 Medtronic, Inc. Catheter mapping system and method
US5699805A (en) * 1996-06-20 1997-12-23 Mayo Foundation For Medical Education And Research Longitudinal multiplane ultrasound transducer underfluid catheter system
US5704361A (en) 1991-11-08 1998-01-06 Mayo Foundation For Medical Education And Research Volumetric image ultrasound transducer underfluid catheter system
US5713363A (en) 1991-11-08 1998-02-03 Mayo Foundation For Medical Education And Research Ultrasound catheter and method for imaging and hemodynamic monitoring
US5749833A (en) * 1995-08-15 1998-05-12 Hakki; A-Hamid Combined echo-electrocardiographic probe
US5876345A (en) * 1997-02-27 1999-03-02 Acuson Corporation Ultrasonic catheter, system and method for two dimensional imaging or three-dimensional reconstruction
US5904651A (en) * 1996-10-28 1999-05-18 Ep Technologies, Inc. Systems and methods for visualizing tissue during diagnostic or therapeutic procedures

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0642762A3 (en) * 1987-11-13 1995-06-28 Advanced Diagnostic Med Syst Ultrasonic probe.

Patent Citations (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3789833A (en) 1971-03-31 1974-02-05 Medische Faculteit Rotterdam Heart examination by means of ultrasound waves
US3938502A (en) 1972-02-22 1976-02-17 Nicolaas Bom Apparatus with a catheter for examining hollow organs or bodies with the ultrasonic waves
US4110723A (en) 1974-03-27 1978-08-29 Walter Hetz Ultrasonic apparatus for medical diagnosis
US4028934A (en) 1975-11-04 1977-06-14 Yeda Research & Development Co. Ltd. Ultrasonic stereoscopic imaging device
US4354502A (en) * 1979-08-28 1982-10-19 The Board Of Regents Of The University Of Washington Intravascular catheter including untrasonic transducer for use in detection and aspiration of air emboli
US4391282A (en) 1979-10-24 1983-07-05 Olympus Optical Company Limited Coeliac cavity ultrasonic diagnosis apparatus
US4374525A (en) 1980-04-28 1983-02-22 Olympus Optical Co., Ltd. Ultrasonic diagnostic apparatus for endoscope
US4466444A (en) 1981-05-20 1984-08-21 Olympus Optical Co., Ltd. Ultrasonic diagnostic apparatus
US4462408A (en) 1982-05-17 1984-07-31 Advanced Technology Laboratories, Inc. Ultrasonic endoscope having elongated array mounted in manner allowing it to remain flexible
US4582067A (en) 1983-02-14 1986-04-15 Washington Research Foundation Method for endoscopic blood flow detection by the use of ultrasonic energy
US4543960A (en) 1983-04-11 1985-10-01 Advanced Technology Laboratories, Inc. Transesophageal echo cardiography scanhead
US4550607A (en) 1984-05-07 1985-11-05 Acuson Phased array acoustic imaging system
US4748985A (en) 1985-05-10 1988-06-07 Olympus Optical Co., Ltd. Ultrasonic imaging apparatus having circulating cooling liquid for cooling ultrasonic transducers thereof
US4957111A (en) 1985-09-13 1990-09-18 Pfizer Hospital Products Group, Inc. Method of using a doppler catheter
US4699009A (en) 1985-11-05 1987-10-13 Acuson Dynamically focused linear phased array acoustic imaging system
US4794931A (en) 1986-02-28 1989-01-03 Cardiovascular Imaging Systems, Inc. Catheter apparatus, system and method for intravascular two-dimensional ultrasonography
US5313949A (en) 1986-02-28 1994-05-24 Cardiovascular Imaging Systems Incorporated Method and apparatus for intravascular two-dimensional ultrasonography
EP0234951B1 (en) 1986-02-28 1994-07-27 Cardiovascular Imaging Systems, Inc. Catheter apparatus
US5000185A (en) 1986-02-28 1991-03-19 Cardiovascular Imaging Systems, Inc. Method for intravascular two-dimensional ultrasonography and recanalization
EP0600568A1 (en) 1986-02-28 1994-06-08 Cardiovascular Imaging Systems, Inc. Catheter apparatus
US4771788A (en) 1986-07-18 1988-09-20 Pfizer Hospital Products Group, Inc. Doppler tip wire guide
US4757821A (en) * 1986-11-12 1988-07-19 Corazonix Corporation Omnidirectional ultrasonic probe
US4869258A (en) 1986-12-05 1989-09-26 Siemens Aktiengesellschaft Intracavitary ultrasound scanner means
US4802487A (en) 1987-03-26 1989-02-07 Washington Research Foundation Endoscopically deliverable ultrasound imaging system
US4869256A (en) 1987-04-22 1989-09-26 Olympus Optical Co., Ltd. Endoscope apparatus
US4841977A (en) 1987-05-26 1989-06-27 Inter Therapy, Inc. Ultra-thin acoustic transducer and balloon catheter using same in imaging array subassembly
US4917097A (en) 1987-10-27 1990-04-17 Endosonics Corporation Apparatus and method for imaging small cavities
US5081993A (en) * 1987-11-11 1992-01-21 Circulation Research Limited Methods and apparatus for the examination and treatment of internal organs
US4841979A (en) 1988-01-25 1989-06-27 Capistrano Labs, Inc. Ultrasonic prostate probe assembly
US4887605A (en) 1988-02-18 1989-12-19 Angelsen Bjorn A J Laser catheter delivery system for controlled atheroma ablation combining laser angioplasty and intra-arterial ultrasonic imagining
US4951677A (en) 1988-03-21 1990-08-28 Prutech Research And Development Partnership Ii Acoustic imaging catheter and the like
US4911170A (en) 1988-08-22 1990-03-27 General Electric Company High frequency focused ultrasonic transducer for invasive tissue characterization
US5140558A (en) 1988-08-29 1992-08-18 Acoustic Imaging Technologies Corporation Focused ultrasound imaging system and method
US5105819A (en) 1988-09-01 1992-04-21 Kon-Tron Elektronik AG Ultrasound endoscope device
US5165413A (en) 1988-09-13 1992-11-24 Acuson Corporation Steered linear color doppler imaging
US5014710A (en) 1988-09-13 1991-05-14 Acuson Corporation Steered linear color doppler imaging
US4930515A (en) 1988-10-04 1990-06-05 Diasonics, Inc. Ultrasound probe with multi-orientation tip-mounted transducer
US4947852A (en) 1988-10-05 1990-08-14 Cardiometrics, Inc. Apparatus and method for continuously measuring volumetric blood flow using multiple transducer and catheter for use therewith
US5159931A (en) 1988-11-25 1992-11-03 Riccardo Pini Apparatus for obtaining a three-dimensional reconstruction of anatomic structures through the acquisition of echographic images
US5199433A (en) * 1989-02-06 1993-04-06 Arzco Medical Systems, Inc. Esophageal recording/pacing catheter with thermistor and cardiac imaging transceiver
US5107844A (en) 1989-04-06 1992-04-28 Olympus Optical Co., Ltd. Ultrasonic observing apparatus
US4936281A (en) 1989-04-13 1990-06-26 Everest Medical Corporation Ultrasonically enhanced RF ablation catheter
US5295486A (en) 1989-05-03 1994-03-22 Wollschlaeger Helmut Transesophageal echocardiography device
US5022399A (en) 1989-05-10 1991-06-11 Biegeleisen Ken P Venoscope
US5257629A (en) 1989-05-26 1993-11-02 Intravascular Research Limited Methods and apparatus for the examination and treatment of internal organs
US5029588A (en) 1989-06-15 1991-07-09 Cardiovascular Imaging Systems, Inc. Laser catheter with imaging capability
US5002059A (en) 1989-07-26 1991-03-26 Boston Scientific Corporation Tip filled ultrasound catheter
US5115814A (en) * 1989-08-18 1992-05-26 Intertherapy, Inc. Intravascular ultrasonic imaging probe and methods of using same
US5010886A (en) 1989-08-18 1991-04-30 Intertherapy, Inc. Medical probe assembly having combined ultrasonic imaging and laser ablation capabilities
US5038789A (en) 1989-09-28 1991-08-13 Frazin Leon J Method and device for doppler-guided retrograde catheterization
US5125410A (en) 1989-10-13 1992-06-30 Olympus Optical Co., Ltd. Integrated ultrasonic diagnosis device utilizing intra-blood-vessel probe
US5070879A (en) 1989-11-30 1991-12-10 Acoustic Imaging Technologies Corp. Ultrasound imaging method and apparatus
US5152294A (en) 1989-12-14 1992-10-06 Aloka Co., Ltd. Three-dimensional ultrasonic scanner
US5235986A (en) 1990-02-12 1993-08-17 Acuson Corporation Variable origin-variable angle acoustic scanning method and apparatus for a curved linear array
US5148810A (en) 1990-02-12 1992-09-22 Acuson Corporation Variable origin-variable angle acoustic scanning method and apparatus
US5261408A (en) 1990-02-12 1993-11-16 Acuson Corporation Variable origin-variable acoustic scanning method and apparatus
US5161537A (en) 1990-03-26 1992-11-10 Matsushita Electric Industrial Co., Ltd. Ultrasonic diagnostic system
US5174296A (en) 1990-03-29 1992-12-29 Fujitsu Limited Ultrasonic probe having a piezoelectrical element
US5569276A (en) * 1990-05-21 1996-10-29 Cardiovascular Imaging Systems, Inc. Intravascular catheter having combined imaging abrasion head
US5186175A (en) 1990-07-11 1993-02-16 Kabushiki Kaisha Toshiba Ultrasonic diagnostic apparatus
US5076279A (en) 1990-07-17 1991-12-31 Acuson Corporation Needle guide for assembly upon an ultrasound imaging transducer
US5351691A (en) 1990-08-02 1994-10-04 B.V. Optische Inductrie "De Oude Delft" Endoscopic probe
US5299578A (en) 1990-08-02 1994-04-05 B.V. Optische Industrie "De Oude Delft" Endoscopic probe
US5076278A (en) 1990-10-15 1991-12-31 Catheter Technology Co. Annular ultrasonic transducers employing curved surfaces useful in catheter localization
US5135001A (en) 1990-12-05 1992-08-04 C. R. Bard, Inc. Ultrasound sheath for medical diagnostic instruments
US5305755A (en) 1991-03-12 1994-04-26 Fujitsu Limited Ultrasonic probe, having transducer array capable of turning around its aperture axis and having a convex lens comprising a viscous resin
US5243988A (en) 1991-03-13 1993-09-14 Scimed Life Systems, Inc. Intravascular imaging apparatus and methods for use and manufacture
US5438997A (en) 1991-03-13 1995-08-08 Sieben; Wayne Intravascular imaging apparatus and methods for use and manufacture
US5360007A (en) 1991-03-24 1994-11-01 Hitachi, Ltd. Ultrasonic apparatus
US5320104A (en) 1991-04-17 1994-06-14 Hewlett-Packard Company Transesophageal ultrasound probe
US5226422A (en) 1991-05-08 1993-07-13 Advanced Technology Laboratories, Inc. Transesophageal echocardiography scanner with rotating image plane
US5193546A (en) 1991-05-15 1993-03-16 Alexander Shaknovich Coronary intravascular ultrasound imaging method and apparatus
US5181514A (en) 1991-05-21 1993-01-26 Hewlett-Packard Company Transducer positioning system
US5183048A (en) 1991-06-24 1993-02-02 Endosonics Corporation Method and apparatus for removing artifacts from an ultrasonically generated image of a small cavity
US5199437A (en) 1991-09-09 1993-04-06 Sensor Electronics, Inc. Ultrasonic imager
US5713363A (en) 1991-11-08 1998-02-03 Mayo Foundation For Medical Education And Research Ultrasound catheter and method for imaging and hemodynamic monitoring
US5345940A (en) 1991-11-08 1994-09-13 Mayo Foundation For Medical Education And Research Transvascular ultrasound hemodynamic and interventional catheter and method
US5704361A (en) 1991-11-08 1998-01-06 Mayo Foundation For Medical Education And Research Volumetric image ultrasound transducer underfluid catheter system
US5325860A (en) 1991-11-08 1994-07-05 Mayo Foundation For Medical Education And Research Ultrasonic and interventional catheter and method
US5186177A (en) 1991-12-05 1993-02-16 General Electric Company Method and apparatus for applying synthetic aperture focusing techniques to a catheter based system for high frequency ultrasound imaging of small vessels
US5211168A (en) 1991-12-20 1993-05-18 Hewlett-Packard Company Moving electrode transducer for real time ultrasound imaging for use in medical applications
US5222501A (en) 1992-01-31 1993-06-29 Duke University Methods for the diagnosis and ablation treatment of ventricular tachycardia
US5215092A (en) 1992-02-25 1993-06-01 Interspec, Inc. Ultrasonic probe assembly
US5373845A (en) 1992-05-22 1994-12-20 Echo Cath, Ltd. Apparatus and method for forward looking volume imaging
US5485846A (en) * 1992-06-30 1996-01-23 Cardiovascular Imaging Systems, Inc. Automated longitudinal position translator for ultrasonic imaging probes, and methods of using same
US5297553A (en) 1992-09-23 1994-03-29 Acuson Corporation Ultrasound transducer with improved rigid backing
US5634464A (en) * 1992-10-05 1997-06-03 Cardiovascular Imaging Systems Inc. Method and apparatus for ultrasound imaging and atherectomy
US5291893A (en) 1992-10-09 1994-03-08 Acoustic Imaging Technologies Corporation Endo-luminal ultrasonic instrument and method for its use
US5285788A (en) 1992-10-16 1994-02-15 Acuson Corporation Ultrasonic tissue imaging method and apparatus with doppler velocity and acceleration processing
US5329496A (en) 1992-10-16 1994-07-12 Duke University Two-dimensional array ultrasonic transducers
US5437283A (en) 1992-12-11 1995-08-01 Tetrad Corporation Endosurgical ultrasonic probe with integrated biopsy actuator
US5311871A (en) 1993-01-12 1994-05-17 Yock Paul G Syringe with ultrasound emitting transducer for flow-directed cannulation of arteries and veins
US5373849A (en) 1993-01-19 1994-12-20 Cardiovascular Imaging Systems, Inc. Forward viewing imaging catheter
US5329927A (en) 1993-02-25 1994-07-19 Echo Cath, Inc. Apparatus and method for locating an interventional medical device with a ultrasound color imaging system
US5343865A (en) 1993-02-25 1994-09-06 Echocath Apparatus and method for locating an interventional medical device with a ultrasound color imaging system
US5469852A (en) 1993-03-12 1995-11-28 Kabushiki Kaisha Toshiba Ultrasound diagnosis apparatus and probe therefor
US5305756A (en) 1993-04-05 1994-04-26 Advanced Technology Laboratories, Inc. Volumetric ultrasonic imaging with diverging elevational ultrasound beams
US5464016A (en) 1993-05-24 1995-11-07 Boston Scientific Corporation Medical acoustic imaging catheter and guidewire
US5465724A (en) 1993-05-28 1995-11-14 Acuson Corporation Compact rotationally steerable ultrasound transducer
US5398689A (en) * 1993-06-16 1995-03-21 Hewlett-Packard Company Ultrasonic probe assembly and cable therefor
US5385148A (en) 1993-07-30 1995-01-31 The Regents Of The University Of California Cardiac imaging and ablation catheter
US5438998A (en) 1993-09-07 1995-08-08 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5415175A (en) 1993-09-07 1995-05-16 Acuson Corporation Broadband phased array transducer design with frequency controlled two dimension capability and methods for manufacture thereof
US5402793A (en) 1993-11-19 1995-04-04 Advanced Technology Laboratories, Inc. Ultrasonic transesophageal probe for the imaging and diagnosis of multiple scan planes
US5479930A (en) 1993-11-19 1996-01-02 Advanced Technology Laboratories, Inc. Ultrasonic transesophageal probe with articulation control for the imaging and diagnosis of multiple scan planes
US5499630A (en) 1993-11-22 1996-03-19 Kabushiki Kaisha Toshiba Catheter type ultrasound probe
US5474075A (en) 1993-11-24 1995-12-12 Thomas Jefferson University Brush-tipped catheter for ultrasound imaging
US5377685A (en) 1993-12-17 1995-01-03 Baylis Medical Company, Inc. Ultrasound catheter with mechanically steerable beam
US5425370A (en) 1994-03-23 1995-06-20 Echocath, Inc. Method and apparatus for locating vibrating devices
US5421336A (en) 1994-04-04 1995-06-06 Echo Cath, Inc. Method for attaching an interventional medical device to a vibratory member associated with visualization by an ultrasound imaging system
US5479929A (en) * 1994-06-27 1996-01-02 Acuson Corporation Drive system with a multiturn rotary stop
US5467779A (en) 1994-07-18 1995-11-21 General Electric Company Multiplanar probe for ultrasonic imaging
US5549111A (en) 1994-08-05 1996-08-27 Acuson Corporation Method and apparatus for adjustable frequency scanning in ultrasound imaging
US5630416A (en) 1994-09-19 1997-05-20 Fujitsu, Ltd. Ultrasonic diagnostic probe
US5503152A (en) 1994-09-28 1996-04-02 Tetrad Corporation Ultrasonic transducer assembly and method for three-dimensional imaging
US5460181A (en) 1994-10-06 1995-10-24 Hewlett Packard Co. Ultrasonic transducer for three dimensional imaging
US5487388A (en) 1994-11-01 1996-01-30 Interspec. Inc. Three dimensional ultrasonic scanning devices and techniques
US5749833A (en) * 1995-08-15 1998-05-12 Hakki; A-Hamid Combined echo-electrocardiographic probe
US5697377A (en) 1995-11-22 1997-12-16 Medtronic, Inc. Catheter mapping system and method
US5699805A (en) * 1996-06-20 1997-12-23 Mayo Foundation For Medical Education And Research Longitudinal multiplane ultrasound transducer underfluid catheter system
US5904651A (en) * 1996-10-28 1999-05-18 Ep Technologies, Inc. Systems and methods for visualizing tissue during diagnostic or therapeutic procedures
US5876345A (en) * 1997-02-27 1999-03-02 Acuson Corporation Ultrasonic catheter, system and method for two dimensional imaging or three-dimensional reconstruction

Non-Patent Citations (32)

* Cited by examiner, † Cited by third party
Title
"Cardiovascular Imaging Systems' Intracardiac Imaging Catheter", M-D-D-I Reports, publisher: F-D-C Reports, Inc., pp I&W-6 and I&W-7 (Mar. 30, 1992).
Belohlavek et al., "Three-and Four-Dimensional Cardiovascular Ultrasound Imaging: A New Era for Echocardiography", Mayo Clinic Proceedings, (1993)68:221-240.
Bom et al., "Early and Recent Intraluminal Ultrasound Devices", International Journal of Cardiac Imaging, vol. 4 (1989) pp. 79-88.
Bom et al., "Intravascular Ultrasound: Newest Branch of the Echo-Tree", Cardiovascular Imaging, vol. 4 (1992) pp. 55-59.
Devonald, et al., "Volume Imaging: Three-Dimensional Appreciation of the Fetal Head and Face", J. Ultrasound Med., vol. 14 (1995), pp. 919-925.
Entrekin, et al., "Real-time 3-D ultrasound imaging with a 1-D "fan beam' transducer array", SPIE, vol. 1733 (1992), pp. 264-272.
Hung et al., "Usefulness of Intracardiac Echocardiography in Transseptal Puncture During Percutaneous Transvenous Mitral Commissurotomy", Section of Cardiology, Chang Gung Med. Col. and Chang Gung Memorial Hospital, (May 10, 1993) p. 853.
Kossoff, et al., "Real-time quasi-three-dimensional viewing in sonagraphy, with conventional, gray-scale volume imaging", Ultrasound Obstet. Gynecol., vol. 4, (1994), pp. 211-216.
Kremkau, Frederick, "AAPM Tutorial. Multiple-Element Transducers", RadioGraphics, (Sep. 1993) pp. 1163-1176.
McCann et al., "Multidimensional Ultrasonic Imaging for Cardiology", Proc IEEE, (1988) 76: 1063-1071.
Moriuchi et al., "Transvenous Echocardiography: Experimental Feasibility Study", Jpn J Med Ultrasonics, vol. 19, No. 3 (1992), pp. 228-235.
Myocardial Dysfunction, and Myocardial Perfusion: Studies With a 10 MHz Ultrasound Catheter, Journal Am Soc. of Echocardiography, vol. 6, No. 4, (Jul.-Aug. 1993) pp. 345-355.
Nishimura et al., "Intravascular Ultrasound Imaging: In Vitro Validation and Pathologic Correlation", JACC, vol. 16, No. 1 (Jul. 1990) pp. 145-154.
Pandian et al., "Intracardiac Echocardiography. Experimental Observations on Intracavitary Imaging of Cardiac Structures with 20-MHz Ultrasound Catheters", Echocardiography, vol. 8, No. 1 (Jan. 1991) pp. 127-134.
Pandian et al., "Intracardiac, Intravascular, Two-Dimensional, High-Frequency Ultrasound Imaging of Pulmonary Artery and Its Branches in Humans and Animals", Circulation, vol. 81, No. 6 (Jun. 1990) pp. 2007-2012.
Pandian et al., "Real-Time, Intracardiac, Two-Dimensional Echocardiography. Enhanced Depth of Field with a Low-Frequency (12.5MHz) Ultrasound Catheter", Echocardiography, vol. 8, No. 4 (1991) pp. 407-422.
Rothman et al., "Intraluminal Ultrasound Imaging Through a Balloon Dilation Catheter in an Animal Model of Coarctation of the Aorta", Circulation, vol. 85, No. 6 (Jun. 1992) pp. 2291-2295.
Schwartz et al., "Intracardiac Echocardiographic Guidance and Monitoring During Aortic and Mitral Balloon Valvuloplasty: In Vivo Experimental Studies", Abstract, JACC, vol. 15, No. 2, 104A (Feb. 1990).
Schwartz et al., "Intracardiac echocardiography during simulated aortic and mitral balloon valvuloplasty: In vivo experimental studies", Am. Heart Journal, vol. 123, No. 3 (Mar. 1992) pp. 665-674.
Schwartz et al., "Intracardiac Echocardiography in Humans Using a Small-Sized (6F), Low Frequency (12.5MHz) Ultrasound Catheter", JACC, vol. 21, No. 1 (Jan. 1993) pp. 189-198.
Schwartz et al., "Intracardiac echocardiography without fluoroscopy: Potential of a balloon-tipped, flow-directed ultrasound catheter", Am. Heart Journal, vol. 129, No. 3 (Mar. 1995) pp. 598-603.
Schwartz et al., "Real-Time Intracardiac Two-Dimensional Echocardiography: An Experimental Study of In Vivo Feasibility, Imaging Planes, and Echocardiographic Anatomy", Echocardiography, vol. 7, No. 4 (1990) pp. 443-455.
Schwartz et al., Intracardiac Echocardiographic Imaging of Cardiac Abnormalities, Ischemic.
Seward et al., "Multiplane Transesophageal Echocardiography: Image Orientation, Examination Technique, Anatomic Correlations and Clinical Applications", Mayo Clinic Proceedings, (1993) 68:523-551.
Seward et al., "Transvascular and Intracardiac Two-Dimensional Echocardiography", Echocardiography, vol. 7, No. 4 (Jul. 1990) pp. 457-464.
Seward, et al., "Ultrasound Cardioscopy: Embarking on a New Journey", Mayo Clin Proc., vol. 71, No. 7, (Jul. 1996), pp. 629-635.
Smith et al., "High-Speed Ultrasound Volumetric Imaging System-Part I: Transducer Design and Beam Steering", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 38, No. 2 (Mar. 1991), pp. 100-108.
Talbert, D.G., "An "Add-On' Modification for Linear Array Real Time Ultrasound Scanners to Produce 3 Dimensional Displays". Conference: Ultrasonics International 1977. Brighton, England (Jun. 28-30, 1997), copy 128/916, pp. 52-67.
Tardif et al., "Intracardiac Echocardiography With a Steerable Low-Frequency Linear-Array Probe for Left-Sided Heart Imaging From the Right Side: Experimental Studies", Journal Am. Soc. of Echocardiography, vol. 8, No. 2 (Mar.-Apr. 1995) pp. 132-138.
von Ramm, et al., "High Speed Ultrasound Volumetric Imaging System-Part II: Parallel Processing and Image Display", IEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control, vol. 38, No. 2 (Mar. 1991), pp. 109-115.
Weintraub et al., "Intracardiac Two-dimensional Echocardiography in Patients with Pericardial Effusion and Cardiac Tamponade", Journal Am Soc. of Echocardiography, vol. 4, No. 6, (Nov.-Dec. 1991) pp. 571-576.
Weintraub et al., "Realtime Intracardiac Two-Dimensional Echocardiography in the Catheterization Laboratory in Humans". Abstract JACC vol. 15, No. 2, 16A (Feb. 1990).

Cited By (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6530888B2 (en) * 1998-05-08 2003-03-11 Duke University Imaging probes and catheters for volumetric intraluminal ultrasound imaging
US7488289B2 (en) * 1999-07-20 2009-02-10 Boston Scientific Scimed, Inc. Imaging catheter and methods of use for ultrasound-guided ablation
US20020107447A1 (en) * 1999-07-20 2002-08-08 Scimed Life Systems, Inc. Imaging catheter and methods of use for ultrasound-guided ablation
US6485425B2 (en) 2000-03-02 2002-11-26 Mayo Foundation For Medical Education And Research Apparatus and method of holding and manipulating small ultrasound transducers
US20040034306A1 (en) * 2000-03-02 2004-02-19 Seward James B. Small ultrasound transducers
US7037270B2 (en) 2000-03-02 2006-05-02 Mayo Foundation For Medical Education And Research Small ultrasound transducers
US6623444B2 (en) 2001-03-21 2003-09-23 Advanced Medical Applications, Inc. Ultrasonic catheter drug delivery method and device
US20030216646A1 (en) * 2002-03-15 2003-11-20 Angelsen Bjorn A.J. Multiple scan-plane ultrasound imaging of objects
US7758509B2 (en) * 2002-03-15 2010-07-20 Angelsen Bjoern A J Multiple scan-plane ultrasound imaging of objects
US20030226633A1 (en) * 2002-06-11 2003-12-11 Fujitsu Limited Method and apparatus for fabricating bonded substrate
US20040133109A1 (en) * 2003-01-07 2004-07-08 Scimed Life Systems, Inc. Systems and methods for acoustic thermal imaging
US20050215895A1 (en) * 2003-11-12 2005-09-29 Popp Richard L Devices and methods for obtaining three-dimensional images of an internal body site
US8641627B2 (en) * 2003-11-26 2014-02-04 Imacor Inc. Transesophageal ultrasound using a narrow probe
US20140243672A1 (en) * 2003-11-26 2014-08-28 Imacor Inc Transesophageal Ultrasound Using a Narrow Probe
US20100125210A1 (en) * 2003-11-26 2010-05-20 Hastings Harold M Ultrasound transducer for transesophageal imaging
US20050143657A1 (en) * 2003-11-26 2005-06-30 Roth Scott L. Transesophageal ultrasound using a narrow probe
US20100125200A1 (en) * 2003-11-26 2010-05-20 Hastings Harold M Transesophageal ultrasound using a narrow probe
US20080051660A1 (en) * 2004-01-16 2008-02-28 The University Of Houston System Methods and apparatuses for medical imaging
US8012090B2 (en) * 2004-06-22 2011-09-06 General Electric Company Method and apparatus for real time ultrasound multi-plane imaging
US20050283078A1 (en) * 2004-06-22 2005-12-22 Steen Eric N Method and apparatus for real time ultrasound multi-plane imaging
US20070016058A1 (en) * 2005-07-15 2007-01-18 Scott Kerwin System and method for controlling ultrasound probe having multiple transducer arrays
US20070118035A1 (en) * 2005-11-22 2007-05-24 General Electric Company Catheter tip
US7819802B2 (en) 2005-11-22 2010-10-26 General Electric Company Catheter tip
US20070167825A1 (en) * 2005-11-30 2007-07-19 Warren Lee Apparatus for catheter tips, including mechanically scanning ultrasound probe catheter tip
US20070167824A1 (en) * 2005-11-30 2007-07-19 Warren Lee Method of manufacture of catheter tips, including mechanically scanning ultrasound probe catheter tip, and apparatus made by the method
US20090105597A1 (en) * 2006-10-12 2009-04-23 Innoscion, Llc Image guided catheter having remotely controlled surfaces-mounted and internal ultrasound transducers
US8147414B2 (en) * 2006-10-12 2012-04-03 Innoscion, Llc Image guided catheter having remotely controlled surfaces-mounted and internal ultrasound transducers
US8460195B2 (en) 2007-01-19 2013-06-11 Sunnybrook Health Sciences Centre Scanning mechanisms for imaging probe
US20080177183A1 (en) * 2007-01-19 2008-07-24 Brian Courtney Imaging probe with combined ultrasounds and optical means of imaging
US8784321B2 (en) 2007-01-19 2014-07-22 Sunnybrook Health Sciences Centre Imaging probe with combined ultrasound and optical means of imaging
US20090264768A1 (en) * 2007-01-19 2009-10-22 Brian Courtney Scanning mechanisms for imaging probe
US20080177138A1 (en) * 2007-01-19 2008-07-24 Brian Courtney Scanning mechanisms for imaging probe
US8712506B2 (en) 2007-01-19 2014-04-29 Sunnybrook Health Sciences Centre Medical imaging probe with rotary encoder
US8214010B2 (en) 2007-01-19 2012-07-03 Sunnybrook Health Sciences Centre Scanning mechanisms for imaging probe
US20080177139A1 (en) * 2007-01-19 2008-07-24 Brian Courtney Medical imaging probe with rotary encoder
US8721553B2 (en) 2007-05-15 2014-05-13 General Electric Company Fluid-fillable ultrasound imaging catheter tips
US20080287797A1 (en) * 2007-05-15 2008-11-20 General Electric Company Fluid-fillable ultrasound imaging catheter tips
US8343056B2 (en) 2009-05-07 2013-01-01 Hitachi Aloka Medical, Ltd. Ultrasound systems and methods for orthopedic applications
US8206306B2 (en) 2009-05-07 2012-06-26 Hitachi Aloka Medical, Ltd. Ultrasound systems and methods for orthopedic applications
US20110208062A1 (en) * 2009-05-07 2011-08-25 Aloka Company, Ltd. Ultrasound Systems and Methods For Orthopedic Applications
US20110077525A1 (en) * 2009-05-07 2011-03-31 Aloka Co., Ltd. Ultrasound Systems and Methods For Orthopedic Applications
US10117564B2 (en) 2010-04-16 2018-11-06 Hitachi Healthcare Americas Corporation Ultrasound and detachable instrument for procedures
US9354204B2 (en) 2011-10-14 2016-05-31 General Electric Company Ultrasonic tomography systems for nondestructive testing
US9404659B2 (en) 2012-12-17 2016-08-02 General Electric Company Systems and methods for late lean injection premixing
US11660073B2 (en) * 2015-10-30 2023-05-30 Georgia Tech Research Corporation Foldable 2-D CMUT-on-CMOS arrays

Also Published As

Publication number Publication date
WO1998056296A1 (en) 1998-12-17
AU7710998A (en) 1998-12-30

Similar Documents

Publication Publication Date Title
US6171247B1 (en) Underfluid catheter system and method having a rotatable multiplane transducer
US5699805A (en) Longitudinal multiplane ultrasound transducer underfluid catheter system
US6306096B1 (en) Volumetric image ultrasound transducer underfluid catheter system
US6129672A (en) Volumetric image ultrasound transducer underfluid catheter system
US5713363A (en) Ultrasound catheter and method for imaging and hemodynamic monitoring
US5797849A (en) Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
US6066096A (en) Imaging probes and catheters for volumetric intraluminal ultrasound imaging and related systems
US6246898B1 (en) Method for carrying out a medical procedure using a three-dimensional tracking and imaging system
US7488289B2 (en) Imaging catheter and methods of use for ultrasound-guided ablation
US6059731A (en) Simultaneous side-and-end viewing underfluid catheter
US8057397B2 (en) Navigation and imaging system sychronized with respiratory and/or cardiac activity
US5846204A (en) Rotatable ultrasound imaging catheter
WO2007112144A2 (en) Intrauterine ultrasound and method for use
EP1568324A2 (en) Transvascular ultrasound hemodynamic catheter
US7909767B2 (en) Method for minimizing tracking system interference
JP2020537560A (en) Wireless digital patient interface module using wireless charging
JPH11244291A (en) Ultrasonic measuring device, ultrasonic system and use of them
US20080009732A1 (en) Process of using a direct imaging apparatus (like ultrasound catheter or fiber-optic/hysteroscopic imaging) for real time intra-vaginal imaging for intra-partum assessment of cerrvical dilatation and descent of fetal presenting part and any other management of active labor with the goal of delivery
US11819360B2 (en) Intraluminal rotational ultrasound for diagnostic imaging and therapy
Light et al. Two dimensional arrays for real time volumetric and intracardiac imaging with simultaneous electrocardiogram
CN110475512A (en) Intravascular ultrasound patient interface module (PIM) for imaging system in distributed wireless lumen
JP2526158Y2 (en) Ultrasonic probe
JPS63145640A (en) Apparatus for ultrasonic diagnosis of body cavity
Fronheiser et al. P6d-3 3-d ultrasound guidance of surgical robotics: Autonomous guidance and catheter transducers
JP2003305045A (en) Ultrasonograph

Legal Events

Date Code Title Description
AS Assignment

Owner name: MAYO FOUNDATION FOR MEDICAL EDUCATION AND RESEARCH

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:SEWARD, JAMES BERNARD;TAJIK, ABDUL JAMIL;REEL/FRAME:008646/0395

Effective date: 19970430

STCF Information on status: patent grant

Free format text: PATENTED CASE

FPAY Fee payment

Year of fee payment: 4

FPAY Fee payment

Year of fee payment: 8

FPAY Fee payment

Year of fee payment: 12